<div class="form-group">
	<form action="<?php echo url('search');?>" id="search_form">
		<div class="input-group mb-3">
			<input type="text" class="form-control" placeholder="<?php echo lang('keyword');?>" name="keyword">
			<div class="input-group-append">
				<button class="btn btn-primary" type="submit"><?php echo lang('search');?></button>
			</div>
		</div>
	</form>
</div>